Identify the type of optical image (Real or Virtual) formed using the ff optical instruments. 1. Image formed in the optical sensor of a camera 2. Eyepiece of a telescope 3. Side mirror of a vehicle 4. Vanity Mirror 5. Objective lens of a microscope 6. Magnifying lens 7. Contact Lenses 8. Eyeglasses 9. Security mirror in a convenience store 10. Improvised Periscope ​

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

3. dark matter

empty space could also be a simple vacuum